Pentax RZ10 vs Sony A300

In this write-up, we will be matching up the Pentax RZ10 and Sony A300, former being a Small Sensor Compact while the latter is a Entry-Level DSLR by rivals Pentax and Sony. There is a noticeable difference between the sensor resolutions of the RZ10 (14MP) and A300 (10MP) and the RZ10 (1/2.3") and A300 (APS-C) come with totally different sensor size.

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The RZ10 was manufactured 3 years later than the A300 and that is quite a sizable difference as far as tech is concerned. Both of these cameras offer different body type with the Pentax RZ10 being a Compact camera and the Sony A300 being a Compact SLR camera.

Before diving in to a more detailed comparison, below is a concise summary of how the RZ10 grades against the A300 for portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Pentax Optio RZ10 & Sony Alpha DSLR-A300. The entire galleries are viewable at Pentax RZ10 Gallery & Sony A300 Gallery.

In case you're looking to carry your camera frequently, you'll need to take into account its weight and volume. The Pentax RZ10 offers exterior dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") along with a weight of 178 grams (0.39 lbs) and the Sony A300 has sizing of 131mm x 99mm x 75mm (5.2" x 3.9" x 3.0") along with a weight of 632 grams (1.39 lbs).

Look at the Pentax RZ10 and Sony A300 in our newest Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ dependant on the lens you have chosen at the time. Following is the front view overall size comparison of the RZ10 vs the A300.

Using size and weight, the portability grade of the RZ10 and A300 is 92 and 64 respectively.

Oftentimes, it's hard to see the contrast between sensor sizing simply by checking specifications. The visual here may offer you a much better sense of the sensor sizes in the RZ10 and A300.

To sum up, both of the cameras offer different resolutions and different sensor sizing. The RZ10 featuring a tinier sensor will make shooting shallow DOF trickier and the Pentax RZ10 will give extra detail due to its extra 4 Megapixels. Higher resolution will help you crop pictures a little more aggressively. The younger RZ10 is going to have an advantage when it comes to sensor technology.